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61 lines
4.1 KiB
Racket
61 lines
4.1 KiB
Racket
#lang racket/base
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(require (for-syntax racket/base syntax/strip-context racket/syntax "../setup.rkt" "split-metas.rkt")
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"to-string.rkt" "../pagetree.rkt" "splice.rkt" "../setup.rkt")
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(require "../setup.rkt")
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(provide (except-out (all-from-out racket/base) #%module-begin)
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(all-from-out "../setup.rkt")
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(rename-out [dialect-module-begin #%module-begin]))
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(define-syntax-rule (dialect-module-begin <parser-mode-in> <outer-expr> ...)
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(#%module-begin
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(require racket/base)
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(provide (except-out (all-from-out racket/base) #%module-begin)
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(rename-out [pollen-module-begin #%module-begin]))
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(define-syntax (pollen-module-begin stx)
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(syntax-case stx ()
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[(_ <expr> (... ...))
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(let-values ([(meta-hash expr-without-metas) (split-metas (syntax->datum #'(<expr> (... ...))) (setup:define-meta-name))])
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(with-syntax ([<meta-hash> meta-hash]
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[(<expr-without-metas> (... ...)) expr-without-metas]
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[<metas> (format-id #f "~a" (setup:meta-export))]
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[<meta-mod> (format-symbol "~a" (setup:meta-export))]
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[<root> (format-id #f "~a" (setup:main-root-node))]
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[<newline> (datum->syntax #f (setup:newline))]
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[<mode-pagetree> default-mode-pagetree]
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[<mode-markup> default-mode-markup]
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[<mode-markdown> default-mode-markdown]
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[<splicing_tag> (setup:splicing-tag)]
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[<doc> (format-id #f "~a" (setup:main-export))]
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[<doc-raw> (generate-temporary 'pollen-)]); prevents conflicts with other imported Pollen sources
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(replace-context #'(<expr> (... ...))
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#'(#%module-begin
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(module <meta-mod> racket/base
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(provide <metas>)
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(define <metas> <meta-hash>))
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(module inner pollen/private/doclang-raw
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<doc-raw> ; positional arg for doclang-raw that sets name of export.
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(require pollen/top pollen/setup pollen/core)
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(require (submod ".." <meta-mod>))
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(provide (all-defined-out) #%top (all-from-out (submod ".." <meta-mod>) pollen/core))
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<expr-without-metas> (... ...))
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(require 'inner)
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(define <doc>
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(let* ([parser-mode-undefined? (procedure? inner:parser-mode)] ; if undefined, #%top makes it a procedure
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[parser-mode (if parser-mode-undefined? <parser-mode-in> inner:parser-mode)]
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[proc (case parser-mode
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[(<mode-pagetree>) decode-pagetree]
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[(<mode-markup>) (λ(xs) (apply <root> xs))] ; if `root` undefined, it becomes a default tag function
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[(<mode-markdown>)
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(λ(xs) (apply <root> (map strip-empty-attrs ((dynamic-require 'markdown 'parse-markdown) (apply string-append (map to-string xs))))))]
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[else (λ(xs) (apply string-append (map to-string xs)))])] ; string output for preprocessor
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;; drop leading newlines, as they're often the result of `defines` and `requires`
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[doc-elements (or (memf (λ(ln) (not (equal? ln <newline>))) <doc-raw>) null)]
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[doc-elements-spliced (splice doc-elements '<splicing_tag>)])
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(proc doc-elements-spliced)))
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(provide <doc> <metas> (except-out (all-from-out 'inner) <doc-raw> #%top))))))]))
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<outer-expr> ...)) |